Changes

Update Lyo Core to use Jax-rs 2.0, and be independent of Wink (#63)
* Update Lyo Core to use Jax-rs 2.0, and be independent of Wink (as well
 as any other implementation)

* Quick fix to ServiceProviderFactory to allow null pathParameterValues
 This is needed to run the rio-oslc4j sample servers that are useful for
testing the Java client

* Added support for media type text/xml

don't know why this might have been removed, or what might have changed
in RTC so that it is returning text/xml instead of application/rdf+xml.
But it was necessary to get the OslcClient to be able to read a
ServiceProvider provided by RTC.

* Revert "Added support for media type text/xml"
 This reverts commit be89ac8d564f6eb82495e15b1505d879e448f61b.

* Revert "Quick fix to ServiceProviderFactory to allow null
pathParameterValues"
 This reverts commit ba211e531d62db34e010dfe9de24a3258115d6d4.
 NB! Revert is partial, preserve Jim's change to the POM file and the
removed semicolon from the imports.
 (commit: 3ca51d9)